Gymnocarpium dryopteris March 5, 2020December 24, 2019 by rcarr Scientific NameGymnocarpium dryopteris (L.) NewmanFamilyCystopteridaceaeCommon Namescommon or northern oak fernEastern WashingtonNativeConservation StatusNotes Click on any image to enlarge it. Along Sherman Creek ca. 13 mi W of Kettle Falls, WA (along Hwy 20); N 48.57744 W 118.29131; Ferry Co., 8/5/201610.89 air mi NE of Harvard, ID; E of NF 1433 along Slate Crk; N 46.9996 W 116.53367; Latah Co., 8/15/2016Along Sherman Creek ca. 13 mi W of Kettle Falls, WA (along Hwy 20); N 48.57744 W 118.29131; Ferry Co., 8/5/201610.89 air mi NE of Harvard, ID; E of NF 1433 along Slate Crk; N 46.9996 W 116.53367; Latah Co., 8/15/2016Along Sherman Creek ca. 13 mi W of Kettle Falls, WA (along Hwy 20); N 48.57744 W 118.29131; Ferry Co., 8/5/201610.89 air mi NE of Harvard, ID; E of NF 1433 along Slate Crk; N 46.9996 W 116.53367; Latah Co., 8/15/2016Along Sherman Creek ca. 13 mi W of Kettle Falls, WA (along Hwy 20); N 48.57744 W 118.29131; Ferry Co., 8/5/2016. (2d pair of pinnae – basal basiscopic pinnule about equal to basal acroscopic pinnule)Along Sherman Creek ca. 13 mi W of Kettle Falls, WA (along Hwy 20); N 48.57744 W 118.29131; Ferry Co., 8/5/2016Along Sherman Creek ca. 13 mi W of Kettle Falls, WA (along Hwy 20); N 48.57744 W 118.29131; Ferry Co., 8/5/2016Gymnocarpium disjuncta and G. dryopteris compared